Mesa (master): tgsi: add comments for ureg_emit_label()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 5ad5d44af57a815c6eb16d4d61070135acb55f37
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5ad5d44af57a815c6eb16d4d61070135acb55f37

Author: Brian Paul <brianp at vmware.com>
Date:   Sat Jun 13 08:07:08 2015 -0600

tgsi: add comments for ureg_emit_label()

---

 src/gallium/auxiliary/tgsi/tgsi_ureg.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 0eaf1df..201a849 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -1069,6 +1069,12 @@ ureg_emit_insn(struct ureg_program *ureg,
 }
 
 
+/**
+ * Emit a label token.
+ * \param label_token returns a token number indicating where the label
+ * needs to be patched later.  Later, this value should be passed to the
+ * ureg_fixup_label() function.
+ */
 void
 ureg_emit_label(struct ureg_program *ureg,
                 unsigned extended_token,